Table 1 Participant characteristics and bivariate analysis of the association between OHIP-14 score and independent variables.

From: Factors associated with the oral health-related quality of life of patients with temporomandibular disorder at the final follow-up visit: a cross-sectional study

Variables

Overall (N = 227)

OHIP score: mean (95%CI)

p-value

Age (years), mean (95% CI)

36.3 (34.3, 38.4)

r = −0.15*

0.02

Sex, n (%)

   

    Male

53 (23.3)

3.6 (2.3, 4.9)

0.01

    Female

174 (76.7)

5.8 (4.9, 6.7)

Baseline variables

   

   Clinical diagnosis, n (%)

   

     Muscle (TMDM)

70 (30.8)

4.2 (2.9, 5.5)

 

     TMJ (TMDJ)

77 (33.9)

4.2 (3.0, 5.4)

0.01

      Combined (TMDC)

80 (36.3)

7.3 (5.8, 8.9)

 

   Clinical parameters, mean (95% CI)

   

     Maximum unassisted mouth-opening distance (mm)

46.3 (45.3, 47.2)

r = −0.14*

0.04

     Maximum assisted mouth-opening distance (mm)

48.6 (47.7, 49.6)

r = −0.15*

0.03

After treatment variables

   

   Subjective change in pain compared with baseline, n (%)

  

     Better

155 (68.2)

6.4 (3.4, 13.7)

 

     Same

62 (27.3)

4.3 (2.8, 5.7)

0.13

     Worse

10 (4.5)

5.7 (4.5, 6.8)

 

   Clinical parameters, mean (95% CI)

   

     Maximum unassisted mouth opening (mm)

43.9 (42.9, 44.9)

r = 0.09

0.24

     Maximum assisted mouth opening (mm)

47.4 (46.5, 48.3)

r = 0.10

0.20

   Changes in maximum unassisted mouth opening (mm)

2.9 (2.2, 3.6)

r = 0.08

0.27

   Changes in maximum assisted mouth opening (mm)

1.7 (1.0, 2.3)

r = 0.10

0.20

   Pain intensity score (0–10)

1.3 (1.0, 1.6)

r = 0.10

0.16

Treatment durations, n (%)

   

   <6 months

85 (39.2%)

5.23 (3.97, 6.51)

 

   6 months to 1 year

69 (30.4%)

4.25 (3.02, 5.47)

0.09

   >1–5 years

69 (30.4%)

6.48 (4.80, 8.15)

 
  1. CI confidence interval, r Pearson correlation coefficient.
  2. *p < 0.05.